Exercise: Digital Electronics

Questions for: Digital Electronics

2's complement representation of a 16 bit number (one sign bit and 15 magnitude bit) is FFFF. Its magnitude in decimal representation is
A:
0
B:
1
C:
32676
D:
65, 535
Answer: B
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Registers and counters are similar in the sense that they both
A:
count pulses
B:
store binary information
C:
are made from an array of flip-flops and gates integrated on a single chip
D:
are shift registers
Answer: C
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High speed counter
A:
ring counter
B:
ripple counter
C:
synchronous counter
D:
asynchronous counter
Answer: C
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The two outputs of RS flip-flop are
A:
always low
B:
always high
C:
either low or high
D:
always complementary
Answer: D
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For a depletion type NMOS, Vp = - 4 volts. For VGS = 0, 1D = 16 mA in the pinch off region of VDS. For VGS = - 2, the value of ID in the pinch off region of VDS is given by
A:
64 mA
B:
32 mA
C:
16 mA
D:
4 mA
Answer: D
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